Tire tread



FIG. 1 is a perspective view of a tire tread, showing my new design, the design being repeated uniformly throughout the circumference of the tread;

FIG. 2 is an enlarged partial left side view thereof;

FIG. 3 is an enlarged partial right side view thereof; and,

FIG. 4 is an enlarged partial front elevational view of the design of FIG. 1.

Throughout the drawings lines drawn in phantom indicate a tire as environment for the new tire tread design and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 